Mathematics
The Empty Set, Finite and Infinite Sets, Equal Sets
Practice questions
If D = {x : x ∈ N, x is a factor of 24 and x is a multiple of 4}, which set is D?If A = {x ∈ R : x² + 4 = 0} and B = ∅, which statement is correct?What is the correct conclusion about A = {x ∈ N : 5 < x < 6}?If A = {1, 2, 2, 3, 3, 3} and B = {3, 2, 1}, choose the correct statement about A and B.What type of set is A = {x ∈ Z : x² = 2}?If A = {x ∈ N : x is a factor of 24} and B = {1, 2, 3, 4, 6, 8, 12, 24}, which statement is correct?For A = {x ∈ R : 0 < x < 1} and B = {x ∈ Q : 0 < x < 1}, choose the correct statement.If A = {∅}, which statement about A is correct?If A = {x ∈ ℤ : x² − 5x + 6 = 0} and B = {2, 3}, which statement is correct?What type of set is A = {x ∈ ℕ : x ≤ 100 and x is prime}?If A = {x ∈ ℤ : −3 < x < 3}, what is n(A)?For A = {x ∈ ℝ : x² = x} and B = {0, 1}, which statement is correct?If A = {x : x is a letter in the word LEVEL} and B = {L, E, V}, which statement is correct?What is the correct statement about A = {x ∈ ℕ : x is a multiple of 3}?If A = {x ∈ ℕ : x < 1} and B = {x ∈ ℤ : 0 < x < 1}, which statement is correct?Which set is equal to A = {x ∈ ℤ : |x| < 4}?If A = {x ∈ ℝ : x² = 9} and B = {-3, 3}, choose the correct statement about A.For the set A = {x ∈ ℕ : x divides 0}, which statement is correct?If A = {x ∈ ℤ : x² < 0}, what is n(A)?What is the correct statement about A = {x ∈ ℝ : x = x + 1}?